Input validation error in ISC BIND - CVE-2012-3817
Published: July 25, 2012 / Updated: July 24, 2020
Vulnerability identifier: #VU31842
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2012-3817
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: ISC
Affected software:
ISC BIND
ISC BIND
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
ISC BIND 9.4.x, 9.5.x, 9.6.x, and 9.7.x before 9.7.6-P2; 9.8.x before 9.8.3-P2; 9.9.x before 9.9.1-P2; and 9.6-ESV before 9.6-ESV-R7-P2, when DNSSEC validation is enabled, does not properly initialize the failing-query cache, which allows remote attackers to cause a denial of service (assertion failure and daemon exit) by sending many queries.
How to mitigate CVE-2012-3817
Install update from vendor's website.
Sources
- http://lists.apple.com/archives/security-announce/2013/Sep/msg00002.html
- http://lists.opensuse.org/opensuse-updates/2012-08/msg00013.html
- http://lists.opensuse.org/opensuse-updates/2012-08/msg00015.html
- http://rhn.redhat.com/errata/RHSA-2012-1122.html
- http://rhn.redhat.com/errata/RHSA-2012-1123.html
- http://secunia.com/advisories/51096
- http://support.apple.com/kb/HT5880
- http://www.debian.org/security/2012/dsa-2517
- http://www.securitytracker.com/id?1027296
- http://www.slackware.com/security/viewer.php?l=slackware-security&y=2012&m=slackware-security.536004
- http://www.ubuntu.com/usn/USN-1518-1
- https://kb.isc.org/article/AA-00729